杀人[`不难

　　A ;mathematician and a!uthor^^, Luke Wil-_li* ams, i#=-s travel ling up to/ London on a train w `h#$:en he?_ meets=! a ol#/-;d l:*ady,^ Lavinia Fullerton, who i-s %also going to Londo,n, to Scotl+%(and Yard.` ]@Lav_.inia  !/tells Luk+)-@e that in her small village several pe [o*#(ple %$.have die=d. The local pol*i;#`ce are ,@(]ce+/]rta@in that i`(t was all acci@dental and ar:(e ta-+king n(,$o ac!:tion bu!t
.+ Lavinia is `n't convinc.@ed. In London Luke watches, hor]*rified, as Lavinia - is!)! , run over in a hit [ an^d r.[un an d he becomes convinced that she #+wa!s `telling the truth\].[ He[^  t$ ^]rave,ls*?= down to! t$
,he villag( e an/`d with the  ai$\d o;(/f a= local girl, who is; a=^lso\ co+n
:vinced that - ?the dea
;
ths =[\were murd+?e-_r, se#ts out to_][ solv e the mys+
t^!e= @ry.